﻿#region License
// Copyright (c) 2009 Shun Chi Guo
// E-Mail:shuncy@gmail.com
// Blog:http://shuncy.cnblogs.com
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
#endregion
using System;
using System.Collections.Generic;
using System.Text;

namespace shun.PAPLib
{
    class PushCanche
    {
        static PushCanche obj = new PushCanche();

        static Dictionary<string, IRequest> lsTask = new Dictionary<string, IRequest>();

        static void Add(string PushID, IRequest req)
        {
            lock (obj)
            {
                lsTask.Add(PushID, req);
            }
        }

        static void Remove(string PushID)
        {
            lock (obj)
            {
                lsTask.Remove(PushID);
            }
        }

        static bool Check(string PushID)
        {
            lock (obj)
            {
                return lsTask.ContainsKey(PushID);
            }
        }

        static IRequest GetValue(string PushID)
        {
            lock (obj)
            {
                if (lsTask.ContainsKey(PushID))
                {
                    return lsTask[PushID];
                }
                else
                {
                    return null;
                }
            }
        }
    }
}
